diff options
| author |   Stephen Hemminger <shemminger@osdl.org> | 2006-08-28 16:19:36 -0700 |
|---|---|---|
| committer |   Jeff Garzik <jeff@garzik.org> | 2006-08-29 17:18:30 -0400 |
| commit | 78bc218663e3bd6cbbaf6a363d2f88f17541adfb (patch) | |
| tree | acbbd0e96fafb3a6332bbe9b31c483bb922fb886 /drivers/net/skge.c | |
| parent | [PATCH] skge: cleanup suspend/resume code (diff) | |
| download | linux-dev-78bc218663e3bd6cbbaf6a363d2f88f17541adfb.tar.xz linux-dev-78bc218663e3bd6cbbaf6a363d2f88f17541adfb.zip | |
[PATCH] skge: pci bus post fixes
At the end of a critical section, we need to force the PCI write
to complete by doing a read.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/skge.c')
| -rw-r--r-- | drivers/net/skge.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c index b8ebd9c7d40a..85296ba5eac2 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -2747,7 +2747,7 @@ static int skge_poll(struct net_device *dev, int *budget) spin_lock_irq(&hw->hw_lock); hw->intr_mask |= rxirqmask[skge->port]; skge_write32(hw, B0_IMSK, hw->intr_mask); - mmiowb(); + skge_read32(hw, B0_IMSK); spin_unlock_irq(&hw->hw_lock); return 0; @@ -2881,6 +2881,7 @@ static void skge_extirq(void *arg) spin_lock_irq(&hw->hw_lock); hw->intr_mask |= IS_EXT_REG; skge_write32(hw, B0_IMSK, hw->intr_mask); + skge_read32(hw, B0_IMSK); spin_unlock_irq(&hw->hw_lock); } @@ -2955,6 +2956,7 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs) skge_error_irq(hw); skge_write32(hw, B0_IMSK, hw->intr_mask); + skge_read32(hw, B0_IMSK); spin_unlock(&hw->hw_lock); return IRQ_HANDLED; @@ -3424,6 +3426,7 @@ static void __devexit skge_remove(struct pci_dev *pdev) spin_lock_irq(&hw->hw_lock); hw->intr_mask = 0; skge_write32(hw, B0_IMSK, 0); + skge_read32(hw, B0_IMSK); spin_unlock_irq(&hw->hw_lock); skge_write16(hw, B0_LED, LED_STAT_OFF); |